def complete_registration(self, msg, connect, maybe_tunnel):
# print msg
self.loop.remove_timeout(self._abort_timeout)
ctx = self.context
loop = self.loop
identity = self.bident
idents,msg = self.session.feed_identities(msg)
msg = self.session.unserialize(msg)
content = msg['content']
info = self.connection_info
def url(key):
"""get zmq url for given channel"""
return str(info["interface"] + ":%i" % info[key])
if content['status'] == 'ok':
self.id = int(content['id'])
# launch heartbeat
# possibly forward hb ports with tunnels
hb_ping = maybe_tunnel(url('hb_ping'))
hb_pong = maybe_tunnel(url('hb_pong'))
hb_monitor = None
if self.max_heartbeat_misses > 0:
# Add a monitor socket which will record the last time a ping was seen
mon = self.context.socket(zmq.SUB)
mport = mon.bind_to_random_port('tcp://%s' % localhost())
mon.setsockopt(zmq.SUBSCRIBE, b"")
self._hb_listener = zmqstream.ZMQStream(mon, self.loop)
self._hb_listener.on_recv(self._report_ping)
hb_monitor = "tcp://%s:%i" % (localhost(), mport)
heart = Heart(hb_ping, hb_pong, hb_monitor , heart_id=identity)
heart.start()
# create Shell Connections (MUX, Task, etc.):
shell_addrs = url('mux'), url('task')
# Use only one shell stream for mux and tasks
stream = zmqstream.ZMQStream(ctx.socket(zmq.ROUTER), loop)
stream.setsockopt(zmq.IDENTITY, identity)
shell_streams = [stream]
for addr in shell_addrs:
connect(stream, addr)
# control stream:
control_addr = url('control')
control_stream = zmqstream.ZMQStream(ctx.socket(zmq.ROUTER), loop)
control_stream.setsockopt(zmq.IDENTITY, identity)
connect(control_stream, control_addr)
# create iopub stream:
iopub_addr = url('iopub')
iopub_socket = ctx.socket(zmq.PUB)
iopub_socket.setsockopt(zmq.IDENTITY, identity)
connect(iopub_socket, iopub_addr)
# disable history:
self.config.HistoryManager.hist_file = ':memory:'
# Redirect input streams and set a display hook.
if self.out_stream_factory:
sys.stdout = self.out_stream_factory(self.session, iopub_socket, u'stdout')
sys.stdout.topic = cast_bytes('engine.%i.stdout' % self.id)
sys.stderr = self.out_stream_factory(self.session, iopub_socket, u'stderr')
sys.stderr.topic = cast_bytes('engine.%i.stderr' % self.id)
if self.display_hook_factory:
sys.displayhook = self.display_hook_factory(self.session, iopub_socket)
sys.displayhook.topic = cast_bytes('engine.%i.execute_result' % self.id)
self.kernel = Kernel(parent=self, int_id=self.id, ident=self.ident, session=self.session,
control_stream=control_stream, shell_streams=shell_streams, iopub_socket=iopub_socket,
loop=loop, user_ns=self.user_ns, log=self.log)
self.kernel.shell.display_pub.topic = cast_bytes('engine.%i.displaypub' % self.id)
# periodically check the heartbeat pings of the controller
# Should be started here and not in "start()" so that the right period can be taken
# from the hubs HeartBeatMonitor.period
if self.max_heartbeat_misses > 0:
# Use a slightly bigger check period than the hub signal period to not warn unnecessary
self.hb_check_period = int(content['hb_period'])+10
self.log.info("Starting to monitor the heartbeat signal from the hub every %i ms." , self.hb_check_period)
self._hb_reporter = ioloop.PeriodicCallback(self._hb_monitor, self.hb_check_period, self.loop)
self._hb_reporter.start()
else:
self.log.info("Monitoring of the heartbeat signal from the hub is not enabled.")
# FIXME: This is a hack until IPKernelApp and IPEngineApp can be fully merged
app = IPKernelApp(parent=self, shell=self.kernel.shell, kernel=self.kernel, log=self.log)
app.init_profile_dir()
app.init_code()
self.kernel.start()
else:
self.log.fatal("Registration Failed: %s"%msg)
raise Exception("Registration Failed: %s"%msg)
self.log.info("Completed registration with id %i"%self.id)
def complete_registration(self, msg, connect, maybe_tunnel):
# print msg
self._abort_dc.stop()
ctx = self.context
loop = self.loop
identity = self.bident
idents,msg = self.session.feed_identities(msg)
msg = self.session.unserialize(msg)
content = msg['content']
info = self.connection_info
def url(key):
"""get zmq url for given channel"""
return str(info["interface"] + ":%i" % info[key])
if content['status'] == 'ok':
self.id = int(content['id'])
# launch heartbeat
# possibly forward hb ports with tunnels
hb_ping = maybe_tunnel(url('hb_ping'))
hb_pong = maybe_tunnel(url('hb_pong'))
heart = Heart(hb_ping, hb_pong, heart_id=identity)
heart.start()
# create Shell Connections (MUX, Task, etc.):
shell_addrs = url('mux'), url('task')
# Use only one shell stream for mux and tasks
stream = zmqstream.ZMQStream(ctx.socket(zmq.ROUTER), loop)
stream.setsockopt(zmq.IDENTITY, identity)
shell_streams = [stream]
for addr in shell_addrs:
connect(stream, addr)
# control stream:
control_addr = url('control')
control_stream = zmqstream.ZMQStream(ctx.socket(zmq.ROUTER), loop)
control_stream.setsockopt(zmq.IDENTITY, identity)
connect(control_stream, control_addr)
# create iopub stream:
iopub_addr = url('iopub')
iopub_socket = ctx.socket(zmq.PUB)
iopub_socket.setsockopt(zmq.IDENTITY, identity)
connect(iopub_socket, iopub_addr)
# disable history:
self.config.HistoryManager.hist_file = ':memory:'
# Redirect input streams and set a display hook.
if self.out_stream_factory:
sys.stdout = self.out_stream_factory(self.session, iopub_socket, u'stdout')
sys.stdout.topic = cast_bytes('engine.%i.stdout' % self.id)
sys.stderr = self.out_stream_factory(self.session, iopub_socket, u'stderr')
sys.stderr.topic = cast_bytes('engine.%i.stderr' % self.id)
if self.display_hook_factory:
sys.displayhook = self.display_hook_factory(self.session, iopub_socket)
sys.displayhook.topic = cast_bytes('engine.%i.pyout' % self.id)
self.kernel = Kernel(config=self.config, int_id=self.id, ident=self.ident, session=self.session,
control_stream=control_stream, shell_streams=shell_streams, iopub_socket=iopub_socket,
loop=loop, user_ns=self.user_ns, log=self.log)
self.kernel.shell.display_pub.topic = cast_bytes('engine.%i.displaypub' % self.id)
# FIXME: This is a hack until IPKernelApp and IPEngineApp can be fully merged
app = IPKernelApp(config=self.config, shell=self.kernel.shell, kernel=self.kernel, log=self.log)
app.init_profile_dir()
app.init_code()
self.kernel.start()
else:
self.log.fatal("Registration Failed: %s"%msg)
raise Exception("Registration Failed: %s"%msg)
self.log.info("Completed registration with id %i"%self.id)
def complete_registration(self, msg, connect, maybe_tunnel):
# print msg
self._abort_dc.stop()
ctx = self.context
loop = self.loop
identity = self.bident
idents, msg = self.session.feed_identities(msg)
msg = Message(self.session.unserialize(msg))
if msg.content.status == 'ok':
self.id = int(msg.content.id)
# launch heartbeat
hb_addrs = msg.content.heartbeat
# possibly forward hb ports with tunnels
hb_addrs = [maybe_tunnel(addr) for addr in hb_addrs]
heart = Heart(*map(str, hb_addrs), heart_id=identity)
heart.start()
# create Shell Streams (MUX, Task, etc.):
queue_addr = msg.content.mux
shell_addrs = [str(queue_addr)]
task_addr = msg.content.task
if task_addr:
shell_addrs.append(str(task_addr))
# Uncomment this to go back to two-socket model
# shell_streams = []
# for addr in shell_addrs:
# stream = zmqstream.ZMQStream(ctx.socket(zmq.ROUTER), loop)
# stream.setsockopt(zmq.IDENTITY, identity)
# stream.connect(disambiguate_url(addr, self.location))
# shell_streams.append(stream)
# Now use only one shell stream for mux and tasks
stream = zmqstream.ZMQStream(ctx.socket(zmq.ROUTER), loop)
stream.setsockopt(zmq.IDENTITY, identity)
shell_streams = [stream]
for addr in shell_addrs:
connect(stream, addr)
# end single stream-socket
# control stream:
control_addr = str(msg.content.control)
control_stream = zmqstream.ZMQStream(ctx.socket(zmq.ROUTER), loop)
control_stream.setsockopt(zmq.IDENTITY, identity)
connect(control_stream, control_addr)
# create iopub stream:
iopub_addr = msg.content.iopub
iopub_socket = ctx.socket(zmq.PUB)
iopub_socket.setsockopt(zmq.IDENTITY, identity)
connect(iopub_socket, iopub_addr)
# disable history:
self.config.HistoryManager.hist_file = ':memory:'
# Redirect input streams and set a display hook.
if self.out_stream_factory:
sys.stdout = self.out_stream_factory(self.session,
iopub_socket, u'stdout')
sys.stdout.topic = cast_bytes('engine.%i.stdout' % self.id)
sys.stderr = self.out_stream_factory(self.session,
iopub_socket, u'stderr')
sys.stderr.topic = cast_bytes('engine.%i.stderr' % self.id)
if self.display_hook_factory:
sys.displayhook = self.display_hook_factory(
self.session, iopub_socket)
sys.displayhook.topic = cast_bytes('engine.%i.pyout' % self.id)
self.kernel = Kernel(config=self.config,
int_id=self.id,
ident=self.ident,
session=self.session,
control_stream=control_stream,
shell_streams=shell_streams,
iopub_socket=iopub_socket,
loop=loop,
user_ns=self.user_ns,
log=self.log)
self.kernel.shell.display_pub.topic = cast_bytes(
'engine.%i.displaypub' % self.id)
# FIXME: This is a hack until IPKernelApp and IPEngineApp can be fully merged
app = IPKernelApp(config=self.config,
shell=self.kernel.shell,
kernel=self.kernel,
log=self.log)
app.init_profile_dir()
app.init_code()
self.kernel.start()
else:
self.log.fatal("Registration Failed: %s" % msg)
raise Exception("Registration Failed: %s" % msg)
self.log.info("Completed registration with id %i" % self.id)
def complete_registration(self, msg, connect, maybe_tunnel):
# print msg
self._abort_dc.stop()
ctx = self.context
loop = self.loop
identity = self.bident
idents, msg = self.session.feed_identities(msg)
msg = Message(self.session.unserialize(msg))
if msg.content.status == "ok":
self.id = int(msg.content.id)
# launch heartbeat
hb_addrs = msg.content.heartbeat
# possibly forward hb ports with tunnels
hb_addrs = [maybe_tunnel(addr) for addr in hb_addrs]
heart = Heart(*map(str, hb_addrs), heart_id=identity)
heart.start()
# create Shell Streams (MUX, Task, etc.):
queue_addr = msg.content.mux
shell_addrs = [str(queue_addr)]
task_addr = msg.content.task
if task_addr:
shell_addrs.append(str(task_addr))
# Uncomment this to go back to two-socket model
# shell_streams = []
# for addr in shell_addrs:
# stream = zmqstream.ZMQStream(ctx.socket(zmq.ROUTER), loop)
# stream.setsockopt(zmq.IDENTITY, identity)
# stream.connect(disambiguate_url(addr, self.location))
# shell_streams.append(stream)
# Now use only one shell stream for mux and tasks
stream = zmqstream.ZMQStream(ctx.socket(zmq.ROUTER), loop)
stream.setsockopt(zmq.IDENTITY, identity)
shell_streams = [stream]
for addr in shell_addrs:
connect(stream, addr)
# end single stream-socket
# control stream:
control_addr = str(msg.content.control)
control_stream = zmqstream.ZMQStream(ctx.socket(zmq.ROUTER), loop)
control_stream.setsockopt(zmq.IDENTITY, identity)
connect(control_stream, control_addr)
# create iopub stream:
iopub_addr = msg.content.iopub
iopub_socket = ctx.socket(zmq.PUB)
iopub_socket.setsockopt(zmq.IDENTITY, identity)
connect(iopub_socket, iopub_addr)
# disable history:
self.config.HistoryManager.hist_file = ":memory:"
# Redirect input streams and set a display hook.
if self.out_stream_factory:
sys.stdout = self.out_stream_factory(self.session, iopub_socket, u"stdout")
sys.stdout.topic = cast_bytes("engine.%i.stdout" % self.id)
sys.stderr = self.out_stream_factory(self.session, iopub_socket, u"stderr")
sys.stderr.topic = cast_bytes("engine.%i.stderr" % self.id)
if self.display_hook_factory:
sys.displayhook = self.display_hook_factory(self.session, iopub_socket)
sys.displayhook.topic = cast_bytes("engine.%i.pyout" % self.id)
self.kernel = Kernel(
config=self.config,
int_id=self.id,
ident=self.ident,
session=self.session,
control_stream=control_stream,
shell_streams=shell_streams,
iopub_socket=iopub_socket,
loop=loop,
user_ns=self.user_ns,
log=self.log,
)
self.kernel.shell.display_pub.topic = cast_bytes("engine.%i.displaypub" % self.id)
self.kernel.start()
else:
self.log.fatal("Registration Failed: %s" % msg)
raise Exception("Registration Failed: %s" % msg)
self.log.info("Completed registration with id %i" % self.id)
def complete_registration(self, msg, connect, maybe_tunnel):
# print msg
self.loop.remove_timeout(self._abort_timeout)
ctx = self.context
loop = self.loop
identity = self.bident
idents,msg = self.session.feed_identities(msg)
msg = self.session.deserialize(msg)
content = msg['content']
info = self.connection_info
def url(key):
"""get zmq url for given channel"""
return str(info["interface"] + ":%i" % info[key])
if content['status'] == 'ok':
self.id = int(content['id'])
# launch heartbeat
# possibly forward hb ports with tunnels
hb_ping = maybe_tunnel(url('hb_ping'))
hb_pong = maybe_tunnel(url('hb_pong'))
hb_monitor = None
if self.max_heartbeat_misses > 0:
# Add a monitor socket which will record the last time a ping was seen
mon = self.context.socket(zmq.SUB)
mport = mon.bind_to_random_port('tcp://%s' % localhost())
mon.setsockopt(zmq.SUBSCRIBE, b"")
self._hb_listener = zmqstream.ZMQStream(mon, self.loop)
self._hb_listener.on_recv(self._report_ping)
hb_monitor = "tcp://%s:%i" % (localhost(), mport)
heart = Heart(hb_ping, hb_pong, hb_monitor , heart_id=identity)
heart.start()
# create Shell Connections (MUX, Task, etc.):
shell_addrs = url('mux'), url('task')
# Use only one shell stream for mux and tasks
stream = zmqstream.ZMQStream(ctx.socket(zmq.ROUTER), loop)
stream.setsockopt(zmq.IDENTITY, identity)
shell_streams = [stream]
for addr in shell_addrs:
connect(stream, addr)
# control stream:
control_addr = url('control')
control_stream = zmqstream.ZMQStream(ctx.socket(zmq.ROUTER), loop)
control_stream.setsockopt(zmq.IDENTITY, identity)
connect(control_stream, control_addr)
# create iopub stream:
iopub_addr = url('iopub')
iopub_socket = ctx.socket(zmq.PUB)
iopub_socket.setsockopt(zmq.IDENTITY, identity)
connect(iopub_socket, iopub_addr)
# disable history:
self.config.HistoryManager.hist_file = ':memory:'
# Redirect input streams and set a display hook.
if self.out_stream_factory:
sys.stdout = self.out_stream_factory(self.session, iopub_socket, u'stdout')
sys.stdout.topic = cast_bytes('engine.%i.stdout' % self.id)
sys.stderr = self.out_stream_factory(self.session, iopub_socket, u'stderr')
sys.stderr.topic = cast_bytes('engine.%i.stderr' % self.id)
if self.display_hook_factory:
sys.displayhook = self.display_hook_factory(self.session, iopub_socket)
sys.displayhook.topic = cast_bytes('engine.%i.execute_result' % self.id)
self.kernel = Kernel(parent=self, int_id=self.id, ident=self.ident, session=self.session,
control_stream=control_stream, shell_streams=shell_streams, iopub_socket=iopub_socket,
loop=loop, user_ns=self.user_ns, log=self.log)
self.kernel.shell.display_pub.topic = cast_bytes('engine.%i.displaypub' % self.id)
# periodically check the heartbeat pings of the controller
# Should be started here and not in "start()" so that the right period can be taken
# from the hubs HeartBeatMonitor.period
if self.max_heartbeat_misses > 0:
# Use a slightly bigger check period than the hub signal period to not warn unnecessary
self.hb_check_period = int(content['hb_period'])+10
self.log.info("Starting to monitor the heartbeat signal from the hub every %i ms." , self.hb_check_period)
self._hb_reporter = ioloop.PeriodicCallback(self._hb_monitor, self.hb_check_period, self.loop)
self._hb_reporter.start()
else:
self.log.info("Monitoring of the heartbeat signal from the hub is not enabled.")
# FIXME: This is a hack until IPKernelApp and IPEngineApp can be fully merged
app = IPKernelApp(parent=self, shell=self.kernel.shell, kernel=self.kernel, log=self.log)
app.init_profile_dir()
app.init_code()
self.kernel.start()
else:
self.log.fatal("Registration Failed: %s"%msg)
raise Exception("Registration Failed: %s"%msg)
self.log.info("Completed registration with id %i"%self.id)
def complete_registration(self, msg, connect, maybe_tunnel):
# print msg
self._abort_dc.stop()
ctx = self.context
loop = self.loop
identity = self.bident
idents, msg = self.session.feed_identities(msg)
msg = self.session.unserialize(msg)
content = msg['content']
info = self.connection_info
def url(key):
"""get zmq url for given channel"""
return str(info["interface"] + ":%i" % info[key])
if content['status'] == 'ok':
self.id = int(content['id'])
# launch heartbeat
# possibly forward hb ports with tunnels
hb_ping = maybe_tunnel(url('hb_ping'))
hb_pong = maybe_tunnel(url('hb_pong'))
heart = Heart(hb_ping, hb_pong, heart_id=identity)
heart.start()
# create Shell Connections (MUX, Task, etc.):
shell_addrs = url('mux'), url('task')
# Use only one shell stream for mux and tasks
stream = zmqstream.ZMQStream(ctx.socket(zmq.ROUTER), loop)
stream.setsockopt(zmq.IDENTITY, identity)
shell_streams = [stream]
for addr in shell_addrs:
connect(stream, addr)
# control stream:
control_addr = url('control')
control_stream = zmqstream.ZMQStream(ctx.socket(zmq.ROUTER), loop)
control_stream.setsockopt(zmq.IDENTITY, identity)
connect(control_stream, control_addr)
# create iopub stream:
iopub_addr = url('iopub')
iopub_socket = ctx.socket(zmq.PUB)
iopub_socket.setsockopt(zmq.IDENTITY, identity)
connect(iopub_socket, iopub_addr)
# disable history:
self.config.HistoryManager.hist_file = ':memory:'
# Redirect input streams and set a display hook.
if self.out_stream_factory:
sys.stdout = self.out_stream_factory(self.session,
iopub_socket, u'stdout')
sys.stdout.topic = cast_bytes('engine.%i.stdout' % self.id)
sys.stderr = self.out_stream_factory(self.session,
iopub_socket, u'stderr')
sys.stderr.topic = cast_bytes('engine.%i.stderr' % self.id)
if self.display_hook_factory:
sys.displayhook = self.display_hook_factory(
self.session, iopub_socket)
sys.displayhook.topic = cast_bytes('engine.%i.pyout' % self.id)
self.kernel = Kernel(config=self.config,
int_id=self.id,
ident=self.ident,
session=self.session,
control_stream=control_stream,
shell_streams=shell_streams,
iopub_socket=iopub_socket,
loop=loop,
user_ns=self.user_ns,
log=self.log)
self.kernel.shell.display_pub.topic = cast_bytes(
'engine.%i.displaypub' % self.id)
# FIXME: This is a hack until IPKernelApp and IPEngineApp can be fully merged
app = IPKernelApp(config=self.config,
shell=self.kernel.shell,
kernel=self.kernel,
log=self.log)
app.init_profile_dir()
app.init_code()
self.kernel.start()
else:
self.log.fatal("Registration Failed: %s" % msg)
raise Exception("Registration Failed: %s" % msg)
self.log.info("Completed registration with id %i" % self.id)
def complete_registration(self, msg):
# print msg
self._abort_dc.stop()
ctx = self.context
loop = self.loop
identity = self.bident
idents,msg = self.session.feed_identities(msg)
msg = Message(self.session.unpack_message(msg))
if msg.content.status == 'ok':
self.id = int(msg.content.id)
# create Shell Streams (MUX, Task, etc.):
queue_addr = msg.content.mux
shell_addrs = [ str(queue_addr) ]
task_addr = msg.content.task
if task_addr:
shell_addrs.append(str(task_addr))
# Uncomment this to go back to two-socket model
# shell_streams = []
# for addr in shell_addrs:
# stream = zmqstream.ZMQStream(ctx.socket(zmq.XREP), loop)
# stream.setsockopt(zmq.IDENTITY, identity)
# stream.connect(disambiguate_url(addr, self.location))
# shell_streams.append(stream)
# Now use only one shell stream for mux and tasks
stream = zmqstream.ZMQStream(ctx.socket(zmq.XREP), loop)
stream.setsockopt(zmq.IDENTITY, identity)
shell_streams = [stream]
for addr in shell_addrs:
stream.connect(disambiguate_url(addr, self.location))
# end single stream-socket
# control stream:
control_addr = str(msg.content.control)
control_stream = zmqstream.ZMQStream(ctx.socket(zmq.XREP), loop)
control_stream.setsockopt(zmq.IDENTITY, identity)
control_stream.connect(disambiguate_url(control_addr, self.location))
# create iopub stream:
iopub_addr = msg.content.iopub
iopub_stream = zmqstream.ZMQStream(ctx.socket(zmq.PUB), loop)
iopub_stream.setsockopt(zmq.IDENTITY, identity)
iopub_stream.connect(disambiguate_url(iopub_addr, self.location))
# launch heartbeat
hb_addrs = msg.content.heartbeat
# print (hb_addrs)
# # Redirect input streams and set a display hook.
if self.out_stream_factory:
sys.stdout = self.out_stream_factory(self.session, iopub_stream, 'stdout')
sys.stdout.topic = 'engine.%i.stdout'%self.id
sys.stderr = self.out_stream_factory(self.session, iopub_stream, 'stderr')
sys.stderr.topic = 'engine.%i.stderr'%self.id
if self.display_hook_factory:
sys.displayhook = self.display_hook_factory(self.session, iopub_stream)
sys.displayhook.topic = 'engine.%i.pyout'%self.id
self.kernel = Kernel(config=self.config, int_id=self.id, ident=self.ident, session=self.session,
control_stream=control_stream, shell_streams=shell_streams, iopub_stream=iopub_stream,
loop=loop, user_ns = self.user_ns, log=self.log)
self.kernel.start()
hb_addrs = [ disambiguate_url(addr, self.location) for addr in hb_addrs ]
heart = Heart(*list(map(str, hb_addrs)), heart_id=identity)
heart.start()
else:
self.log.fatal("Registration Failed: %s"%msg)
raise Exception("Registration Failed: %s"%msg)
self.log.info("Completed registration with id %i"%self.id)
def complete_registration(self, msg):
# print msg
self._abort_dc.stop()
ctx = self.context
loop = self.loop
identity = self.ident
idents,msg = self.session.feed_identities(msg)
msg = Message(self.session.unpack_message(msg))
if msg.content.status == 'ok':
self.id = int(msg.content.id)
# create Shell Streams (MUX, Task, etc.):
queue_addr = msg.content.mux
shell_addrs = [ str(queue_addr) ]
task_addr = msg.content.task
if task_addr:
shell_addrs.append(str(task_addr))
# Uncomment this to go back to two-socket model
# shell_streams = []
# for addr in shell_addrs:
# stream = zmqstream.ZMQStream(ctx.socket(zmq.XREP), loop)
# stream.setsockopt(zmq.IDENTITY, identity)
# stream.connect(disambiguate_url(addr, self.location))
# shell_streams.append(stream)
# Now use only one shell stream for mux and tasks
stream = zmqstream.ZMQStream(ctx.socket(zmq.XREP), loop)
stream.setsockopt(zmq.IDENTITY, identity)
shell_streams = [stream]
for addr in shell_addrs:
stream.connect(disambiguate_url(addr, self.location))
# end single stream-socket
# control stream:
control_addr = str(msg.content.control)
control_stream = zmqstream.ZMQStream(ctx.socket(zmq.XREP), loop)
control_stream.setsockopt(zmq.IDENTITY, identity)
control_stream.connect(disambiguate_url(control_addr, self.location))
# create iopub stream:
iopub_addr = msg.content.iopub
iopub_stream = zmqstream.ZMQStream(ctx.socket(zmq.PUB), loop)
iopub_stream.setsockopt(zmq.IDENTITY, identity)
iopub_stream.connect(disambiguate_url(iopub_addr, self.location))
# launch heartbeat
hb_addrs = msg.content.heartbeat
# print (hb_addrs)
# # Redirect input streams and set a display hook.
if self.out_stream_factory:
sys.stdout = self.out_stream_factory(self.session, iopub_stream, u'stdout')
sys.stdout.topic = 'engine.%i.stdout'%self.id
sys.stderr = self.out_stream_factory(self.session, iopub_stream, u'stderr')
sys.stderr.topic = 'engine.%i.stderr'%self.id
if self.display_hook_factory:
sys.displayhook = self.display_hook_factory(self.session, iopub_stream)
sys.displayhook.topic = 'engine.%i.pyout'%self.id
self.kernel = Kernel(config=self.config, int_id=self.id, ident=self.ident, session=self.session,
control_stream=control_stream, shell_streams=shell_streams, iopub_stream=iopub_stream,
loop=loop, user_ns = self.user_ns, logname=self.log.name)
self.kernel.start()
hb_addrs = [ disambiguate_url(addr, self.location) for addr in hb_addrs ]
heart = Heart(*map(str, hb_addrs), heart_id=identity)
# ioloop.DelayedCallback(heart.start, 1000, self.loop).start()
heart.start()
else:
self.log.fatal("Registration Failed: %s"%msg)
raise Exception("Registration Failed: %s"%msg)
self.log.info("Completed registration with id %i"%self.id)